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Finding the Fourth Proportional to 384,041.80, 576,062.70 and 361,880.20

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Solution

The fourth proportional to 384,041.80, 576,062.70 and 361,880.20 is: 542,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,041.80 : 576,062.70 = 361,880.20 : x
  2. Step 2: Convert to fraction form
    384,041.80/576,062.70 = 361,880.20/x
  3. Step 3: Cross multiply
    384,041.80x = 576,062.70 × 361,880.20
  4. Step 4: Simplify right side
    384,041.80x = 208,465,685,088.54
  5. Step 5: Solve for x
    x = 208,465,685,088.54/384,041.80
  6. Step 6: Final answer
    x = 542,820.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.